13449970 has 32 divisors (see below), whose sum is σ = 25597440. Its totient is φ = 5080320.

The previous prime is 13449949. The next prime is 13449971. The reversal of 13449970 is 7994431.

It is not an unprimeable number, because it can be changed into a prime (13449971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12826 + ... + 13834.

It is an arithmetic number, because the mean of its divisors is an integer number (799920).

Almost surely, 2^13449970 is an apocalyptic number.

13449970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13449970 is a deficient number, since it is larger than the sum of its proper divisors (12147470).

13449970 is a wasteful number, since it uses less digits than its factorization.

13449970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13449970 is about 3667.4200741120. The cubic root of 13449970 is about 237.8156541565.

The spelling of 13449970 in words is "thirteen million, four hundred forty-nine thousand, nine hundred seventy".