13145954 has 4 divisors (see below), whose sum is σ = 19718934. Its totient is φ = 6572976.

The previous prime is 13145941. The next prime is 13145963. The reversal of 13145954 is 45954131.

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

It can be written as a sum of positive squares in only one way, i.e., 13140625 + 5329 = 3625^2 + 73^2 .

It is a super-2 number, since 2×13145954² = 345632213140232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13145954.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3286487 + ... + 3286490.

Almost surely, 2^13145954 is an apocalyptic number.

13145954 is a deficient number, since it is larger than the sum of its proper divisors (6572980).

13145954 is an equidigital number, since it uses as much as digits as its factorization.

13145954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572979.

The product of its digits is 10800, while the sum is 32.

The square root of 13145954 is about 3625.7349599771. The cubic root of 13145954 is about 236.0101618721.

The spelling of 13145954 in words is "thirteen million, one hundred forty-five thousand, nine hundred fifty-four".