26413506 has 32 divisors (see below), whose sum is σ = 67082880. Its totient is φ = 7546608.

The previous prime is 26413501. The next prime is 26413507. The reversal of 26413506 is 60531462.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 26413506.

It is not an unprimeable number, because it can be changed into a prime (26413501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34561 + ... + 35316.

It is an arithmetic number, because the mean of its divisors is an integer number (2096340).

Almost surely, 2^26413506 is an apocalyptic number.

26413506 is an abundant number, since it is smaller than the sum of its proper divisors (40669374).

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

26413506 is a wasteful number, since it uses less digits than its factorization.

26413506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69895 (or 69889 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 26413506 is about 5139.4071642554. The cubic root of 26413506 is about 297.8118792266.

Adding to 26413506 its reverse (60531462), we get a palindrome (86944968).

The spelling of 26413506 in words is "twenty-six million, four hundred thirteen thousand, five hundred six".