13146945 has 48 divisors (see below), whose sum is σ = 25302528. Its totient is φ = 5806080.

The previous prime is 13146929. The next prime is 13146953. The reversal of 13146945 is 54964131.

It is not a de Polignac number, because 13146945 - 2⁴ = 13146929 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22497 + ... + 23073.

It is an arithmetic number, because the mean of its divisors is an integer number (527136).

Almost surely, 2^13146945 is an apocalyptic number.

13146945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13146945 is a deficient number, since it is larger than the sum of its proper divisors (12155583).

13146945 is a wasteful number, since it uses less digits than its factorization.

13146945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 623 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 13146945 is about 3625.8716193489. The cubic root of 13146945 is about 236.0160922188.

The spelling of 13146945 in words is "thirteen million, one hundred forty-six thousand, nine hundred forty-five".