13102070421 has 8 divisors (see below), whose sum is σ = 19057557024. Its totient is φ = 7940648720.

The previous prime is 13102070393. The next prime is 13102070437. The reversal of 13102070421 is 12407020131.

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

It is a cyclic number.

It is not a de Polignac number, because 13102070421 - 2⁵ = 13102070389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102070461) 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, 198516186 + ... + 198516251.

It is an arithmetic number, because the mean of its divisors is an integer number (2382194628).

Almost surely, 2^13102070421 is an apocalyptic number.

13102070421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13102070421 is a deficient number, since it is larger than the sum of its proper divisors (5955486603).

13102070421 is a wasteful number, since it uses less digits than its factorization.

13102070421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397032451.

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 13102070421 its reverse (12407020131), we get a palindrome (25509090552).

The spelling of 13102070421 in words is "thirteen billion, one hundred two million, seventy thousand, four hundred twenty-one".