26378412 has 12 divisors (see below), whose sum is σ = 61549656. Its totient is φ = 8792800.

The previous prime is 26378411. The next prime is 26378449. The reversal of 26378412 is 21487362.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (26378411) 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, 1099089 + ... + 1099112.

It is an arithmetic number, because the mean of its divisors is an integer number (5129138).

Almost surely, 2^26378412 is an apocalyptic number.

It is an amenable number.

26378412 is an abundant number, since it is smaller than the sum of its proper divisors (35171244).

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

26378412 is a wasteful number, since it uses less digits than its factorization.

26378412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198208 (or 2198206 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 26378412 is about 5135.9918224234. The cubic root of 26378412 is about 297.6799259975.

The spelling of 26378412 in words is "twenty-six million, three hundred seventy-eight thousand, four hundred twelve".