13966321000 has 32 divisors (see below), whose sum is σ = 32681193480. Its totient is φ = 5586528000.

The previous prime is 13966320997. The next prime is 13966321003. The reversal of 13966321000 is 12366931.

It is an interprime number because it is at equal distance from previous prime (13966320997) and next prime (13966321003).

It can be written as a sum of positive squares in 4 ways, for example, as 661621284 + 13304699716 = 25722^2 + 115346^2 .

It is not an unprimeable number, because it can be changed into a prime (13966321003) 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, 6982161 + ... + 6984160.

Almost surely, 2^13966321000 is an apocalyptic number.

13966321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13966321000 is an abundant number, since it is smaller than the sum of its proper divisors (18714872480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13966321000 is a wasteful number, since it uses less digits than its factorization.

13966321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13966342 (or 13966328 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

Adding to 13966321000 its reverse (12366931), we get a palindrome (13978687931).

The spelling of 13966321000 in words is "thirteen billion, nine hundred sixty-six million, three hundred twenty-one thousand".