26697413 has 4 divisors (see below), whose sum is σ = 28102560. Its totient is φ = 25292268.

The previous prime is 26697409. The next prime is 26697421. The reversal of 26697413 is 31479662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26697413 - 2² = 26697409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26697403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702545 + ... + 702582.

It is an arithmetic number, because the mean of its divisors is an integer number (7025640).

Almost surely, 2^26697413 is an apocalyptic number.

It is an amenable number.

26697413 is a deficient number, since it is larger than the sum of its proper divisors (1405147).

26697413 is a wasteful number, since it uses less digits than its factorization.

26697413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405146.

The product of its digits is 54432, while the sum is 38.

The square root of 26697413 is about 5166.9539382503. The cubic root of 26697413 is about 298.8750946393.

It can be divided in two parts, 266 and 97413, that added together give a palindrome (97679).

The spelling of 26697413 in words is "twenty-six million, six hundred ninety-seven thousand, four hundred thirteen".