13402008 has 48 divisors (see below), whose sum is σ = 37879920. Its totient is φ = 4272576.

The previous prime is 13402007. The next prime is 13402009. The reversal of 13402008 is 80020431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13402007) and next prime (13402009).

It is a super-2 number, since 2×13402008² = 359227636864128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2391 + ... + 5702.

It is an arithmetic number, because the mean of its divisors is an integer number (789165).

Almost surely, 2^13402008 is an apocalyptic number.

13402008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13402008 is an abundant number, since it is smaller than the sum of its proper divisors (24477912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13402008 is a wasteful number, since it uses less digits than its factorization.

13402008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8128 (or 8121 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 13402008 is about 3660.8753051695. The cubic root of 13402008 is about 237.5326374353.

Adding to 13402008 its reverse (80020431), we get a palindrome (93422439).

The spelling of 13402008 in words is "thirteen million, four hundred two thousand, eight".