Search a number
-
+
12407913 = 327375323
BaseRepresentation
bin101111010101…
…010001101001
3212100101110100
4233111101221
511134023123
61121540013
7210315450
oct57252151
925311410
1012407913
117005281
1241a4609
13275587b
14190db97
151151643
hexbd5469

12407913 has 24 divisors (see below), whose sum is σ = 21040448. Its totient is φ = 6897312.

The previous prime is 12407891. The next prime is 12407917. The reversal of 12407913 is 31970421.

It is not a de Polignac number, because 12407913 - 221 = 10310761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12407917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331 + ... + 4992.

Almost surely, 212407913 is an apocalyptic number.

It is an amenable number.

12407913 is a deficient number, since it is larger than the sum of its proper divisors (8632535).

12407913 is a wasteful number, since it uses less digits than its factorization.

12407913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373 (or 5370 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12407913 is about 3522.4867636373. The cubic root of 12407913 is about 231.5081297768.

The spelling of 12407913 in words is "twelve million, four hundred seven thousand, nine hundred thirteen".

Divisors: 1 3 7 9 21 37 63 111 259 333 777 2331 5323 15969 37261 47907 111783 196951 335349 590853 1378657 1772559 4135971 12407913