12149907 has 32 divisors (see below), whose sum is σ = 20390400. Its totient is φ = 6251520.

The previous prime is 12149881. The next prime is 12149933. The reversal of 12149907 is 70994121.

12149907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12149881) and next prime (12149933).

It is not a de Polignac number, because 12149907 - 2⁶ = 12149843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12149947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34243 + ... + 34595.

It is an arithmetic number, because the mean of its divisors is an integer number (637200).

Almost surely, 2^12149907 is an apocalyptic number.

12149907 is a deficient number, since it is larger than the sum of its proper divisors (8240493).

12149907 is a wasteful number, since it uses less digits than its factorization.

12149907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 12149907 is about 3485.6716712852. The cubic root of 12149907 is about 229.8922431587.

The spelling of 12149907 in words is "twelve million, one hundred forty-nine thousand, nine hundred seven".