13201264546 has 8 divisors (see below), whose sum is σ = 19803770604. Its totient is φ = 6600007680.

The previous prime is 13201264537. The next prime is 13201264547. The reversal of 13201264546 is 64546210231.

It can be written as a sum of positive squares in 2 ways, for example, as 13199482321 + 1782225 = 114889^2 + 1335^2 .

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

It is a super-2 number, since 2×13201264546² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13201264547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285415 + ... + 328426.

Almost surely, 2^13201264546 is an apocalyptic number.

13201264546 is a deficient number, since it is larger than the sum of its proper divisors (6602506058).

13201264546 is a wasteful number, since it uses less digits than its factorization.

13201264546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624596.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 13201264546 its reverse (64546210231), we get a palindrome (77747474777).

The spelling of 13201264546 in words is "thirteen billion, two hundred one million, two hundred sixty-four thousand, five hundred forty-six".