13557003 has 8 divisors (see below), whose sum is σ = 18095616. Its totient is φ = 9028200.

The previous prime is 13556999. The next prime is 13557017. The reversal of 13557003 is 30075531.

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

It is not a de Polignac number, because 13557003 - 2² = 13556999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13557023) 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, 1858 + ... + 5528.

It is an arithmetic number, because the mean of its divisors is an integer number (2261952).

Almost surely, 2^13557003 is an apocalyptic number.

13557003 is a deficient number, since it is larger than the sum of its proper divisors (4538613).

13557003 is a wasteful number, since it uses less digits than its factorization.

13557003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 13557003 is about 3681.9835686760. The cubic root of 13557003 is about 238.4448228391. Note that the first 3 decimals are identical.

The spelling of 13557003 in words is "thirteen million, five hundred fifty-seven thousand, three".