13709902 has 4 divisors (see below), whose sum is σ = 20564856. Its totient is φ = 6854950.

The previous prime is 13709873. The next prime is 13709903. The reversal of 13709902 is 20990731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20990731 = 167 ⋅125693.

It is a super-2 number, since 2×13709902² = 375922825699208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13709903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3427474 + ... + 3427477.

It is an arithmetic number, because the mean of its divisors is an integer number (5141214).

Almost surely, 2^13709902 is an apocalyptic number.

13709902 is a deficient number, since it is larger than the sum of its proper divisors (6854954).

13709902 is an equidigital number, since it uses as much as digits as its factorization.

13709902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854953.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 13709902 is about 3702.6884827109. The cubic root of 13709902 is about 239.3378856806.

The spelling of 13709902 in words is "thirteen million, seven hundred nine thousand, nine hundred two".