Search a number
-
+
12374429 = 61919991
BaseRepresentation
bin101111001101…
…000110011101
3212021200112012
4233031012131
511131440204
61121121005
7210116024
oct57150635
925250465
1012374429
116a92101
124189165
132743562
1419018bb
15114676e
hexbcd19d

12374429 has 4 divisors (see below), whose sum is σ = 12395040. Its totient is φ = 12353820.

The previous prime is 12374407. The next prime is 12374447. The reversal of 12374429 is 92447321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92447321 = 104988129.

It is a cyclic number.

It is not a de Polignac number, because 12374429 - 216 = 12308893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12374395 and 12374404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12374629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9377 + ... + 10614.

It is an arithmetic number, because the mean of its divisors is an integer number (3098760).

Almost surely, 212374429 is an apocalyptic number.

It is an amenable number.

12374429 is a deficient number, since it is larger than the sum of its proper divisors (20611).

12374429 is an equidigital number, since it uses as much as digits as its factorization.

12374429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20610.

The product of its digits is 12096, while the sum is 32.

The square root of 12374429 is about 3517.7306605253. The cubic root of 12374429 is about 231.2996928514.

The spelling of 12374429 in words is "twelve million, three hundred seventy-four thousand, four hundred twenty-nine".

Divisors: 1 619 19991 12374429