1232001513 has 12 divisors (see below), whose sum is σ = 1779958128. Its totient is φ = 821149560.

The previous prime is 1232001499. The next prime is 1232001521. The reversal of 1232001513 is 3151002321.

It is not a de Polignac number, because 1232001513 - 2⁸ = 1232001257 is a prime.

It is a super-4 number, since 4×1232001513⁴ (a number of 37 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1232001593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35778 + ... + 61188.

It is an arithmetic number, because the mean of its divisors is an integer number (148329844).

Almost surely, 2^1232001513 is an apocalyptic number.

It is an amenable number.

1232001513 is a deficient number, since it is larger than the sum of its proper divisors (547956615).

1232001513 is a wasteful number, since it uses less digits than its factorization.

1232001513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30804 (or 30801 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1232001513 is about 35099.8791023559. The cubic root of 1232001513 is about 1072.0221210373.

Adding to 1232001513 its reverse (3151002321), we get a palindrome (4383003834).

The spelling of 1232001513 in words is "one billion, two hundred thirty-two million, one thousand, five hundred thirteen".