13120558 has 16 divisors (see below), whose sum is σ = 21714480. Its totient is φ = 5896000.

The previous prime is 13120553. The next prime is 13120559. The reversal of 13120558 is 85502131.

It is a happy number.

It is a super-3 number, since 3×13120558³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120553) 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, 1393 + ... + 5308.

It is an arithmetic number, because the mean of its divisors is an integer number (1357155).

Almost surely, 2^13120558 is an apocalyptic number.

13120558 is a deficient number, since it is larger than the sum of its proper divisors (8593922).

13120558 is a wasteful number, since it uses less digits than its factorization.

13120558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 13120558 is about 3622.2310804254. The cubic root of 13120558 is about 235.8580852238.

Adding to 13120558 its reverse (85502131), we get a palindrome (98622689).

The spelling of 13120558 in words is "thirteen million, one hundred twenty thousand, five hundred fifty-eight".