13474739 has 8 divisors (see below), whose sum is σ = 13951872. Its totient is φ = 13000320.

The previous prime is 13474733. The next prime is 13474753. The reversal of 13474739 is 93747431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13474739 - 2⁴ = 13474723 is a prime.

It is a super-2 number, since 2×13474739² = 363137182236242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13474733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18017 + ... + 18749.

It is an arithmetic number, because the mean of its divisors is an integer number (1743984).

Almost surely, 2^13474739 is an apocalyptic number.

13474739 is a deficient number, since it is larger than the sum of its proper divisors (477133).

13474739 is an equidigital number, since it uses as much as digits as its factorization.

13474739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357.

The product of its digits is 63504, while the sum is 38.

The square root of 13474739 is about 3670.7954178897. The cubic root of 13474739 is about 237.9615489986.

The spelling of 13474739 in words is "thirteen million, four hundred seventy-four thousand, seven hundred thirty-nine".