12013577 has 8 divisors (see below), whose sum is σ = 12773376. Its totient is φ = 11259712.

The previous prime is 12013571. The next prime is 12013579. The reversal of 12013577 is 77531021.

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

It is not a de Polignac number, because 12013577 - 2⁸ = 12013321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013571) 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, 3128 + ... + 5814.

It is an arithmetic number, because the mean of its divisors is an integer number (1596672).

Almost surely, 2^12013577 is an apocalyptic number.

12013577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12013577 is a deficient number, since it is larger than the sum of its proper divisors (759799).

12013577 is a wasteful number, since it uses less digits than its factorization.

12013577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 12013577 is about 3466.0607323012. The cubic root of 12013577 is about 229.0291592192.

Adding to 12013577 its reverse (77531021), we get a palindrome (89544598).

The spelling of 12013577 in words is "twelve million, thirteen thousand, five hundred seventy-seven".