13402274 has 8 divisors (see below), whose sum is σ = 20131740. Its totient is φ = 6691696.

The previous prime is 13402253. The next prime is 13402297. The reversal of 13402274 is 47220431.

It can be written as a sum of positive squares in 2 ways, for example, as 12285025 + 1117249 = 3505^2 + 1057^2 .

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

It is a Curzon 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, 2789 + ... + 5880.

Almost surely, 2^13402274 is an apocalyptic number.

13402274 is a deficient number, since it is larger than the sum of its proper divisors (6729466).

13402274 is an equidigital number, since it uses as much as digits as its factorization.

13402274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 13402274 is about 3660.9116350986. The cubic root of 13402274 is about 237.5342089228.

The spelling of 13402274 in words is "thirteen million, four hundred two thousand, two hundred seventy-four".