13421412 has 18 divisors (see below), whose sum is σ = 33926438. Its totient is φ = 4473792.

The previous prime is 13421411. The next prime is 13421437. The reversal of 13421412 is 21412431.

13421412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13351716 + 69696 = 3654^2 + 264^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13421411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186373 + ... + 186444.

Almost surely, 2^13421412 is an apocalyptic number.

13421412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13421412 is an abundant number, since it is smaller than the sum of its proper divisors (20505026).

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

13421412 is a wasteful number, since it uses less digits than its factorization.

13421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372827 (or 372822 counting only the distinct ones).

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

The square root of 13421412 is about 3663.5245324687. The cubic root of 13421412 is about 237.6472187895.

Adding to 13421412 its reverse (21412431), we get a palindrome (34833843).

The spelling of 13421412 in words is "thirteen million, four hundred twenty-one thousand, four hundred twelve".