13416418 has 4 divisors (see below), whose sum is σ = 20124630. Its totient is φ = 6708208.

The previous prime is 13416341. The next prime is 13416457. The reversal of 13416418 is 81461431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81461431 = 167 ⋅487793.

It can be written as a sum of positive squares in only one way, i.e., 8277129 + 5139289 = 2877^2 + 2267^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3354103 + ... + 3354106.

Almost surely, 2^13416418 is an apocalyptic number.

13416418 is a deficient number, since it is larger than the sum of its proper divisors (6708212).

13416418 is an equidigital number, since it uses as much as digits as its factorization.

13416418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708211.

The product of its digits is 2304, while the sum is 28.

The square root of 13416418 is about 3662.8428849734. The cubic root of 13416418 is about 237.6177395901.

Adding to 13416418 its reverse (81461431), we get a palindrome (94877849).

The spelling of 13416418 in words is "thirteen million, four hundred sixteen thousand, four hundred eighteen".