13400402 has 8 divisors (see below), whose sum is σ = 20400816. Its totient is φ = 6600132.

The previous prime is 13400389. The next prime is 13400417. The reversal of 13400402 is 20400431.

13400402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

13400402 is a modest number, since divided by 402 gives 134 as remainder.

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, 49868 + ... + 50135.

It is an arithmetic number, because the mean of its divisors is an integer number (2550102).

Almost surely, 2^13400402 is an apocalyptic number.

13400402 is a deficient number, since it is larger than the sum of its proper divisors (7000414).

13400402 is a wasteful number, since it uses less digits than its factorization.

13400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100072.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 13400402 is about 3660.6559521485. The cubic root of 13400402 is about 237.5231489901.

Adding to 13400402 its reverse (20400431), we get a palindrome (33800833).

The spelling of 13400402 in words is "thirteen million, four hundred thousand, four hundred two".