Search a number
-
+
12929497 = 71847071
BaseRepresentation
bin110001010100…
…100111011001
3220022212221021
4301110213121
511302220442
61141042441
7214620220
oct61244731
926285837
1012929497
117331139
1243b6421
1328a90b9
141a07cb7
151205e67
hexc549d9

12929497 has 4 divisors (see below), whose sum is σ = 14776576. Its totient is φ = 11082420.

The previous prime is 12929467. The next prime is 12929507. The reversal of 12929497 is 79492921.

12929497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 12929497 - 215 = 12896729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12929467) 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, 923529 + ... + 923542.

It is an arithmetic number, because the mean of its divisors is an integer number (3694144).

Almost surely, 212929497 is an apocalyptic number.

It is an amenable number.

12929497 is a deficient number, since it is larger than the sum of its proper divisors (1847079).

12929497 is an equidigital number, since it uses as much as digits as its factorization.

12929497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847078.

The product of its digits is 81648, while the sum is 43.

The square root of 12929497 is about 3595.7609764833. The cubic root of 12929497 is about 234.7076309753.

The spelling of 12929497 in words is "twelve million, nine hundred twenty-nine thousand, four hundred ninety-seven".

Divisors: 1 7 1847071 12929497