13402370 has 8 divisors (see below), whose sum is σ = 24124284. Its totient is φ = 5360944.

The previous prime is 13402339. The next prime is 13402373. The reversal of 13402370 is 7320431.

It can be written as a sum of positive squares in 2 ways, for example, as 13300609 + 101761 = 3647^2 + 319^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13402373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670109 + ... + 670128.

Almost surely, 2^13402370 is an apocalyptic number.

13402370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13402370 is a deficient number, since it is larger than the sum of its proper divisors (10721914).

13402370 is a wasteful number, since it uses less digits than its factorization.

13402370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340244.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 13402370 is about 3660.9247465634. The cubic root of 13402370 is about 237.5347760711.

The spelling of 13402370 in words is "thirteen million, four hundred two thousand, three hundred seventy".