13951995 has 32 divisors (see below), whose sum is σ = 23181312. Its totient is φ = 7160832.

The previous prime is 13951991. The next prime is 13951999. The reversal of 13951995 is 59915931.

It is an interprime number because it is at equal distance from previous prime (13951991) and next prime (13951999).

It is not a de Polignac number, because 13951995 - 2² = 13951991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13951991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62454 + ... + 62676.

It is an arithmetic number, because the mean of its divisors is an integer number (724416).

Almost surely, 2^13951995 is an apocalyptic number.

13951995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13951995 is a deficient number, since it is larger than the sum of its proper divisors (9229317).

13951995 is a wasteful number, since it uses less digits than its factorization.

13951995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371.

The product of its digits is 54675, while the sum is 42.

The square root of 13951995 is about 3735.2369402757. The cubic root of 13951995 is about 240.7384374343.

The spelling of 13951995 in words is "thirteen million, nine hundred fifty-one thousand, nine hundred ninety-five".