1340452 has 6 divisors (see below), whose sum is σ = 2345798. Its totient is φ = 670224.

The previous prime is 1340447. The next prime is 1340459. The reversal of 1340452 is 2540431.

It can be written as a sum of positive squares in only one way, i.e., 910116 + 430336 = 954^2 + 656^2 .

It is not an unprimeable number, because it can be changed into a prime (1340459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167553 + ... + 167560.

2^1340452 is an apocalyptic number.

It is an amenable number.

1340452 is a deficient number, since it is larger than the sum of its proper divisors (1005346).

1340452 is a wasteful number, since it uses less digits than its factorization.

1340452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335117 (or 335115 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1340452 is about 1157.7789080822. The cubic root of 1340452 is about 110.2597717252.

Adding to 1340452 its reverse (2540431), we get a palindrome (3880883).

It can be divided in two parts, 13404 and 52, that added together give a square (13456 = 116²).

The spelling of 1340452 in words is "one million, three hundred forty thousand, four hundred fifty-two".