13081774 has 8 divisors (see below), whose sum is σ = 19653840. Its totient is φ = 6530496.

The previous prime is 13081769. The next prime is 13081787. The reversal of 13081774 is 47718031.

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

It is a super-2 number, since 2×13081774² = 342265621974152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3514 + ... + 6205.

It is an arithmetic number, because the mean of its divisors is an integer number (2456730).

Almost surely, 2^13081774 is an apocalyptic number.

13081774 is a deficient number, since it is larger than the sum of its proper divisors (6572066).

13081774 is an equidigital number, since it uses as much as digits as its factorization.

13081774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10394.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 13081774 is about 3616.8735117502. The cubic root of 13081774 is about 235.6254592415.

The spelling of 13081774 in words is "thirteen million, eighty-one thousand, seven hundred seventy-four".