13390026 has 64 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 3893760.

The previous prime is 13390019. The next prime is 13390037. The reversal of 13390026 is 62009331.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13389978 and 13390005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169455 + ... + 169533.

It is an arithmetic number, because the mean of its divisors is an integer number (476280).

Almost surely, 2^13390026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13390026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15240960).

13390026 is an abundant number, since it is smaller than the sum of its proper divisors (17091894).

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

13390026 is a wasteful number, since it uses less digits than its factorization.

13390026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 13390026 is about 3659.2384453599. The cubic root of 13390026 is about 237.4618280295.

Adding to 13390026 its reverse (62009331), we get a palindrome (75399357).

The spelling of 13390026 in words is "thirteen million, three hundred ninety thousand, twenty-six".