13642274 has 8 divisors (see below), whose sum is σ = 20674668. Its totient is φ = 6750720.

The previous prime is 13642259. The next prime is 13642283. The reversal of 13642274 is 47224631.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 990025 = 3557^2 + 995^2 .

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

It is a super-2 number, since 2×13642274² = 372223279782152, which contains 22 as substring.

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, 34967 + ... + 35354.

Almost surely, 2^13642274 is an apocalyptic number.

13642274 is a deficient number, since it is larger than the sum of its proper divisors (7032394).

13642274 is an equidigital number, since it uses as much as digits as its factorization.

13642274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70420.

The product of its digits is 8064, while the sum is 29.

The square root of 13642274 is about 3693.5449097040. The cubic root of 13642274 is about 238.9437027114.

The spelling of 13642274 in words is "thirteen million, six hundred forty-two thousand, two hundred seventy-four".