12990395 has 32 divisors (see below), whose sum is σ = 18524160. Its totient is φ = 8640000.

The previous prime is 12990371. The next prime is 12990403. The reversal of 12990395 is 59309921.

It is not a de Polignac number, because 12990395 - 2⁸ = 12990139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32195 + ... + 32595.

It is an arithmetic number, because the mean of its divisors is an integer number (578880).

Almost surely, 2^12990395 is an apocalyptic number.

12990395 is a deficient number, since it is larger than the sum of its proper divisors (5533765).

12990395 is a wasteful number, since it uses less digits than its factorization.

12990395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 12990395 is about 3604.2190554959. The cubic root of 12990395 is about 235.0755453512.

The spelling of 12990395 in words is "twelve million, nine hundred ninety thousand, three hundred ninety-five".