13429970 has 16 divisors (see below), whose sum is σ = 24415128. Its totient is φ = 5318400.

The previous prime is 13429967. The next prime is 13430003. The reversal of 13429970 is 7992431.

It can be written as a sum of positive squares in 4 ways, for example, as 9966649 + 3463321 = 3157^2 + 1861^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13429970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5639 + ... + 7658.

Almost surely, 2^13429970 is an apocalyptic number.

13429970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13429970 is a deficient number, since it is larger than the sum of its proper divisors (10985158).

13429970 is a wasteful number, since it uses less digits than its factorization.

13429970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13405.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 13429970 is about 3664.6923472510. The cubic root of 13429970 is about 237.6977190095.

The spelling of 13429970 in words is "thirteen million, four hundred twenty-nine thousand, nine hundred seventy".