13432947 has 8 divisors (see below), whose sum is σ = 19538880. Its totient is φ = 8141160.

The previous prime is 13432933. The next prime is 13432957. The reversal of 13432947 is 74923431.

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

It is not a de Polignac number, because 13432947 - 2⁶ = 13432883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 407059 = 13432947 / (1 + 3 + 4 + 3 + 2 + 9 + 4 + 7).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13432927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203497 + ... + 203562.

It is an arithmetic number, because the mean of its divisors is an integer number (2442360).

Almost surely, 2^13432947 is an apocalyptic number.

13432947 is a deficient number, since it is larger than the sum of its proper divisors (6105933).

13432947 is a wasteful number, since it uses less digits than its factorization.

13432947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407073.

The product of its digits is 18144, while the sum is 33.

The square root of 13432947 is about 3665.0984979943. The cubic root of 13432947 is about 237.7152810699.

The spelling of 13432947 in words is "thirteen million, four hundred thirty-two thousand, nine hundred forty-seven".