13430977 has 8 divisors (see below), whose sum is σ = 15535296. Its totient is φ = 11373072.

The previous prime is 13430959. The next prime is 13430981. The reversal of 13430977 is 77903431.

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

It is a cyclic number.

It is not a de Polignac number, because 13430977 - 2⁷ = 13430849 is a prime.

It is a super-2 number, since 2×13430977² = 360782286349058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13430917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10978 + ... + 12139.

It is an arithmetic number, because the mean of its divisors is an integer number (1941912).

Almost surely, 2^13430977 is an apocalyptic number.

It is an amenable number.

13430977 is a deficient number, since it is larger than the sum of its proper divisors (2104319).

13430977 is an equidigital number, since it uses as much as digits as its factorization.

13430977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23207.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 13430977 is about 3664.8297368364. The cubic root of 13430977 is about 237.7036598424.

The spelling of 13430977 in words is "thirteen million, four hundred thirty thousand, nine hundred seventy-seven".