13400416 has 12 divisors (see below), whose sum is σ = 26382132. Its totient is φ = 6700192.

The previous prime is 13400389. The next prime is 13400417. The reversal of 13400416 is 61400431.

It is a happy number.

13400416 is nontrivially palindromic in base 12.

It is a super-2 number, since 2×13400416² = 359142297946112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13400393 and 13400402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400417) 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, 209350 + ... + 209413.

It is an arithmetic number, because the mean of its divisors is an integer number (2198511).

Almost surely, 2^13400416 is an apocalyptic number.

13400416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13400416 is a deficient number, since it is larger than the sum of its proper divisors (12981716).

13400416 is an equidigital number, since it uses as much as digits as its factorization.

13400416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418773 (or 418765 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13400416 is about 3660.6578643736. The cubic root of 13400416 is about 237.5232317071.

Adding to 13400416 its reverse (61400431), we get a palindrome (74800847).

The spelling of 13400416 in words is "thirteen million, four hundred thousand, four hundred sixteen".