13081974 has 8 divisors (see below), whose sum is σ = 26163960. Its totient is φ = 4360656.

The previous prime is 13081973. The next prime is 13081997. The reversal of 13081974 is 47918031.

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

13081974 is an admirable number.

It is a super-2 number, since 2×13081974² = 342276087473352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13081973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090159 + ... + 1090170.

It is an arithmetic number, because the mean of its divisors is an integer number (3270495).

Almost surely, 2^13081974 is an apocalyptic number.

13081974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13081974 is a wasteful number, since it uses less digits than its factorization.

13081974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180334.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 13081974 is about 3616.9011598328. The cubic root of 13081974 is about 235.6266600178.

The spelling of 13081974 in words is "thirteen million, eighty-one thousand, nine hundred seventy-four".