13291430 has 8 divisors (see below), whose sum is σ = 23924592. Its totient is φ = 5316568.

The previous prime is 13291427. The next prime is 13291451. The reversal of 13291430 is 3419231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13291430² = 353324222889800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13291396 and 13291405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664562 + ... + 664581.

It is an arithmetic number, because the mean of its divisors is an integer number (2990574).

Almost surely, 2^13291430 is an apocalyptic number.

13291430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13291430 is a deficient number, since it is larger than the sum of its proper divisors (10633162).

13291430 is a wasteful number, since it uses less digits than its factorization.

13291430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329150.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13291430 is about 3645.7413512206. The cubic root of 13291430 is about 236.8775501381.

The spelling of 13291430 in words is "thirteen million, two hundred ninety-one thousand, four hundred thirty".