13953147 has 32 divisors (see below), whose sum is σ = 21134400. Its totient is φ = 8176896.

The previous prime is 13953143. The next prime is 13953169. The reversal of 13953147 is 74135931.

It is not a de Polignac number, because 13953147 - 2² = 13953143 is a prime.

It is a super-2 number, since 2×13953147² = 389380622407218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13953143) 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, 191103 + ... + 191175.

It is an arithmetic number, because the mean of its divisors is an integer number (660450).

Almost surely, 2^13953147 is an apocalyptic number.

13953147 is a deficient number, since it is larger than the sum of its proper divisors (7181253).

13953147 is an equidigital number, since it uses as much as digits as its factorization.

13953147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 118 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 13953147 is about 3735.3911441775. The cubic root of 13953147 is about 240.7450630829.

The spelling of 13953147 in words is "thirteen million, nine hundred fifty-three thousand, one hundred forty-seven".