13462749 has 6 divisors (see below), whose sum is σ = 19446206. Its totient is φ = 8975160.

The previous prime is 13462747. The next prime is 13462777. The reversal of 13462749 is 94726431.

It can be written as a sum of positive squares in only one way, i.e., 12830724 + 632025 = 3582^2 + 795^2 .

It is not a de Polignac number, because 13462749 - 2¹ = 13462747 is a prime.

It is a super-2 number, since 2×13462749² = 362491221274002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13462747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 747922 + ... + 747939.

Almost surely, 2^13462749 is an apocalyptic number.

It is an amenable number.

13462749 is a deficient number, since it is larger than the sum of its proper divisors (5983457).

13462749 is a wasteful number, since it uses less digits than its factorization.

13462749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495867 (or 1495864 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 13462749 is about 3669.1618934029. The cubic root of 13462749 is about 237.8909476150.

It can be divided in two parts, 1346 and 2749, that added together give a triangular number (4095 = T₉₀).

The spelling of 13462749 in words is "thirteen million, four hundred sixty-two thousand, seven hundred forty-nine".