13457974 has 8 divisors (see below), whose sum is σ = 20395368. Its totient is φ = 6659520.

The previous prime is 13457971. The next prime is 13457987. The reversal of 13457974 is 47975431.

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

It is a super-2 number, since 2×13457974² = 362234128369352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13457971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34492 + ... + 34879.

It is an arithmetic number, because the mean of its divisors is an integer number (2549421).

Almost surely, 2^13457974 is an apocalyptic number.

13457974 is a deficient number, since it is larger than the sum of its proper divisors (6937394).

13457974 is an equidigital number, since it uses as much as digits as its factorization.

13457974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69470.

The product of its digits is 105840, while the sum is 40.

The square root of 13457974 is about 3668.5111421393. The cubic root of 13457974 is about 237.8628190458.

The spelling of 13457974 in words is "thirteen million, four hundred fifty-seven thousand, nine hundred seventy-four".