13724974 has 8 divisors (see below), whose sum is σ = 21482640. Its totient is φ = 6564096.

The previous prime is 13724969. The next prime is 13724983. The reversal of 13724974 is 47942731.

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

It is a super-2 number, since 2×13724974² = 376749822601352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 149139 + ... + 149230.

It is an arithmetic number, because the mean of its divisors is an integer number (2685330).

Almost surely, 2^13724974 is an apocalyptic number.

13724974 is a deficient number, since it is larger than the sum of its proper divisors (7757666).

13724974 is a wasteful number, since it uses less digits than its factorization.

13724974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298394.

The product of its digits is 42336, while the sum is 37.

The square root of 13724974 is about 3704.7232015361. The cubic root of 13724974 is about 239.4255590406.

The spelling of 13724974 in words is "thirteen million, seven hundred twenty-four thousand, nine hundred seventy-four".