13100026 has 4 divisors (see below), whose sum is σ = 19650042. Its totient is φ = 6550012.

The previous prime is 13100023. The next prime is 13100027. The reversal of 13100026 is 62000131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10556001 + 2544025 = 3249^2 + 1595^2 .

It is a super-2 number, since 2×13100026² = 343221362401352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13099979 and 13100015.

It is not an unprimeable number, because it can be changed into a prime (13100023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275005 + ... + 3275008.

Almost surely, 2^13100026 is an apocalyptic number.

13100026 is a deficient number, since it is larger than the sum of its proper divisors (6550016).

13100026 is an equidigital number, since it uses as much as digits as its factorization.

13100026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550015.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13100026 is about 3619.3958059323. The cubic root of 13100026 is about 235.7349917182.

Adding to 13100026 its reverse (62000131), we get a palindrome (75100157).

The spelling of 13100026 in words is "thirteen million, one hundred thousand, twenty-six".