13120495 has 4 divisors (see below), whose sum is σ = 15744600. Its totient is φ = 10496392.

The previous prime is 13120489. The next prime is 13120517. The reversal of 13120495 is 59402131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13120495 - 2³ = 13120487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312045 + ... + 1312054.

It is an arithmetic number, because the mean of its divisors is an integer number (3936150).

Almost surely, 2^13120495 is an apocalyptic number.

13120495 is a deficient number, since it is larger than the sum of its proper divisors (2624105).

13120495 is an equidigital number, since it uses as much as digits as its factorization.

13120495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624104.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 13120495 is about 3622.2223841172. Note that the first 3 decimals coincide. The cubic root of 13120495 is about 235.8577077225.

The spelling of 13120495 in words is "thirteen million, one hundred twenty thousand, four hundred ninety-five".