13402116 has 72 divisors (see below), whose sum is σ = 41705664. Its totient is φ = 3533760.

The previous prime is 13402099. The next prime is 13402133. The reversal of 13402116 is 61120431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13402099) and next prime (13402133).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1231 + ... + 5321.

Almost surely, 2^13402116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13402116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20852832).

13402116 is an abundant number, since it is smaller than the sum of its proper divisors (28303548).

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

13402116 is a wasteful number, since it uses less digits than its factorization.

13402116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121 (or 4116 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13402116 is about 3660.8900557105. The cubic root of 13402116 is about 237.5332754854.

Adding to 13402116 its reverse (61120431), we get a palindrome (74522547).

The spelling of 13402116 in words is "thirteen million, four hundred two thousand, one hundred sixteen".