13802906 has 24 divisors (see below), whose sum is σ = 22704444. Its totient is φ = 6289920.

The previous prime is 13802903. The next prime is 13802909. The reversal of 13802906 is 60920831.

It is an interprime number because it is at equal distance from previous prime (13802903) and next prime (13802909).

It can be written as a sum of positive squares in 6 ways, for example, as 1681 + 13801225 = 41^2 + 3715^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13802903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32576 + ... + 32996.

Almost surely, 2^13802906 is an apocalyptic number.

13802906 is a deficient number, since it is larger than the sum of its proper divisors (8901538).

13802906 is a wasteful number, since it uses less digits than its factorization.

13802906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 13802906 is about 3715.2262380641. The cubic root of 13802906 is about 239.8778660984.

The spelling of 13802906 in words is "thirteen million, eight hundred two thousand, nine hundred six".