13401062421 has 16 divisors (see below), whose sum is σ = 18308928960. Its totient is φ = 8713738880.

The previous prime is 13401062417. The next prime is 13401062431. The reversal of 13401062421 is 12426010431.

It is a cyclic number.

It is not a de Polignac number, because 13401062421 - 2² = 13401062417 is a prime.

It is a super-3 number, since 3×13401062421³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13401062391 and 13401062400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401062431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507286 + ... + 533048.

It is an arithmetic number, because the mean of its divisors is an integer number (1144308060).

Almost surely, 2^13401062421 is an apocalyptic number.

It is an amenable number.

13401062421 is a deficient number, since it is larger than the sum of its proper divisors (4907866539).

13401062421 is a wasteful number, since it uses less digits than its factorization.

13401062421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30036.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13401062421 its reverse (12426010431), we get a palindrome (25827072852).

The spelling of 13401062421 in words is "thirteen billion, four hundred one million, sixty-two thousand, four hundred twenty-one".