1240613 has 6 divisors (see below), whose sum is σ = 1363782. Its totient is φ = 1127720.

The previous prime is 1240607. The next prime is 1240621. The reversal of 1240613 is 3160421.

It can be written as a sum of positive squares in only one way, i.e., 833569 + 407044 = 913^2 + 638^2 .

It is not a de Polignac number, because 1240613 - 2¹² = 1236517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240591 and 1240600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5006 + ... + 5247.

It is an arithmetic number, because the mean of its divisors is an integer number (227297).

2^1240613 is an apocalyptic number.

It is an amenable number.

1240613 is a deficient number, since it is larger than the sum of its proper divisors (123169).

1240613 is a wasteful number, since it uses less digits than its factorization.

1240613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10275 (or 10264 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1240613 is about 1113.8280836826. The cubic root of 1240613 is about 107.4514076401.

The spelling of 1240613 in words is "one million, two hundred forty thousand, six hundred thirteen".