13129995 has 8 divisors (see below), whose sum is σ = 21008016. Its totient is φ = 7002656.

The previous prime is 13129979. The next prime is 13130003. The reversal of 13129995 is 59992131.

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

It is a cyclic number.

It is not a de Polignac number, because 13129995 - 2⁴ = 13129979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437652 + ... + 437681.

It is an arithmetic number, because the mean of its divisors is an integer number (2626002).

Almost surely, 2^13129995 is an apocalyptic number.

13129995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13129995 is a deficient number, since it is larger than the sum of its proper divisors (7878021).

13129995 is an equidigital number, since it uses as much as digits as its factorization.

13129995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875341.

The product of its digits is 21870, while the sum is 39.

The square root of 13129995 is about 3623.5334964645. The cubic root of 13129995 is about 235.9146188796.

The spelling of 13129995 in words is "thirteen million, one hundred twenty-nine thousand, nine hundred ninety-five".