13456402 has 4 divisors (see below), whose sum is σ = 20184606. Its totient is φ = 6728200.

The previous prime is 13456363. The next prime is 13456439. The reversal of 13456402 is 20465431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20465431 = 7 ⋅2923633.

It can be written as a sum of positive squares in only one way, i.e., 13388281 + 68121 = 3659^2 + 261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3364099 + ... + 3364102.

Almost surely, 2^13456402 is an apocalyptic number.

13456402 is a deficient number, since it is larger than the sum of its proper divisors (6728204).

13456402 is an equidigital number, since it uses as much as digits as its factorization.

13456402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728203.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 13456402 is about 3668.2968800248. The cubic root of 13456402 is about 237.8535572527.

The spelling of 13456402 in words is "thirteen million, four hundred fifty-six thousand, four hundred two".