13470020 has 36 divisors (see below), whose sum is σ = 28917252. Its totient is φ = 5270400.

The previous prime is 13470011. The next prime is 13470077. The reversal of 13470020 is 2007431.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9721924 + 3748096 = 3118^2 + 1936^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74330 + ... + 74510.

It is an arithmetic number, because the mean of its divisors is an integer number (803257).

Almost surely, 2^13470020 is an apocalyptic number.

13470020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13470020 is an abundant number, since it is smaller than the sum of its proper divisors (15447232).

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

13470020 is a wasteful number, since it uses less digits than its factorization.

13470020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 13470020 is about 3670.1525853839. The cubic root of 13470020 is about 237.9337668485.

Adding to 13470020 its reverse (2007431), we get a palindrome (15477451).

The spelling of 13470020 in words is "thirteen million, four hundred seventy thousand, twenty".