13145906 has 8 divisors (see below), whose sum is σ = 19837440. Its totient is φ = 6533428.

The previous prime is 13145893. The next prime is 13145911. The reversal of 13145906 is 60954131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19346 + ... + 20013.

It is an arithmetic number, because the mean of its divisors is an integer number (2479680).

Almost surely, 2^13145906 is an apocalyptic number.

13145906 is a deficient number, since it is larger than the sum of its proper divisors (6691534).

13145906 is a wasteful number, since it uses less digits than its factorization.

13145906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39528.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13145906 is about 3625.7283406234. The cubic root of 13145906 is about 236.0098746227.

The spelling of 13145906 in words is "thirteen million, one hundred forty-five thousand, nine hundred six".