13409416 has 16 divisors (see below), whose sum is σ = 25272000. Its totient is φ = 6670224.

The previous prime is 13409401. The next prime is 13409441. The reversal of 13409416 is 61490431.

It is a super-2 number, since 2×13409416² = 359624874922112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2620 + ... + 5803.

It is an arithmetic number, because the mean of its divisors is an integer number (1579500).

Almost surely, 2^13409416 is an apocalyptic number.

It is an amenable number.

13409416 is a deficient number, since it is larger than the sum of its proper divisors (11862584).

13409416 is a wasteful number, since it uses less digits than its factorization.

13409416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8628 (or 8624 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13409416 is about 3661.8869452783. The cubic root of 13409416 is about 237.5763949992.

Adding to 13409416 its reverse (61490431), we get a palindrome (74899847).

The spelling of 13409416 in words is "thirteen million, four hundred nine thousand, four hundred sixteen".